Astatue is mounted on top of a 25 foot hill. from the base of the hill to where you are standing is 53 feet and the statue subtends an angle of 12.4° to where you are standing. find the height of the statue.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Pls the last one and it has to be like number 6